CN215720007U

CN215720007U - Long-life fastener for engine

Info

Publication number: CN215720007U
Application number: CN202121780123.3U
Authority: CN
Inventors: 戴锡鹏; 庞坤
Original assignee: Zhejiang Tianli Motor Parts Co ltd
Current assignee: Zhejiang Tianli Motor Parts Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-02-01
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a long-life fastener for an engine, which comprises a sleeve and a button block, wherein a bearing is arranged at the middle position of one side of the sleeve, a nut is sleeved on the inner side of the bearing, a limiting protective pipe is inserted into the inner side of the sleeve in a sliding manner, limiting bolts are sleeved at the top and the bottom of one side of the sleeve, limiting grooves matched with the limiting bolts are formed in the top and the bottom of one side of the nut, and a screw matched with the nut in a threaded manner is arranged at the middle position of one side of the button block; according to the utility model, through the mutual matching of the sleeve, the clamping groove, the limiting protection pipe, the bearing, the limiting groove, the limiting bolt and the spring, after the device fixes the engine shell, the nut and the sleeve can be connected and fixed, and meanwhile, the limiting protection pipe is inserted into the clamping groove to limit the sleeve, so that the integral connection strength of the fastener is improved, the joint is not easy to move, and the probability of thread slipping is reduced.

Description

Long-life fastener for engine

Technical Field

The utility model relates to the technical field of fasteners, in particular to a long-service-life fastener for an engine.

Background

The fastener is a mechanical part which is used for fastening connection and has wide application, the fastener has wide application industries, including the industries of energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, dies, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical engineering, instruments, supplies and the like, and the fastener is a mechanical basic part which has the most wide application;

the prior device has the following defects: when the engine runs, vibration can be continuously generated, the long-time vibration can cause great damage to the fastener of the generator shell, the conditions of screw rod fracture and nut internal cracking and sliding are easy to occur, and the service life of the fastener is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a long-service-life engine fastener, which aims to solve the problems that vibration is continuously generated during the operation of an engine, the long-time vibration can cause great damage to the fastener of a generator shell, the situation of screw breakage and screw nut internal cracking and slipping easily occurs, and the service life of the fastener is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a long-life fastener for engine, includes sleeve and button piece, the intermediate position department of sleeve one side is provided with the bearing, the inboard cover of bearing is equipped with the nut, telescopic inboard is slided to peg graft and is had spacing protective tube, the top and the bottom cover of sleeve one side are equipped with spacing bolt, the top and the bottom of nut one side are provided with the spacing groove of mutually supporting with spacing bolt, the intermediate position department of button piece one side is provided with the screw rod with nut screw thread adaptation, the outside that button piece one side is close to the screw rod is provided with the draw-in groove of mutually supporting with spacing protective tube, the outside of spacing protective tube one side is provided with the spring.

Preferably, the side of the sleeve and the side of the button block close to each other are both provided with a gasket.

Preferably, the clamping groove and the limiting protection pipe are both made of a clip-shaped structure, and the inner side aperture of the limiting protection pipe is larger than the diameter of the screw.

Preferably, a hexagonal groove is formed in the middle of one side, away from the screw, of the button block, and the nut is made of a hexagonal structure.

Preferably, one side of the limiting bolt is provided with a knob.

Preferably, the spring is interconnected on one side to the sleeve.

Compared with the prior art, the utility model has the beneficial effects that: this fastener for long-life engine passes through the sleeve, the draw-in groove, spacing protective tube, a bearing, the spacing groove, mutually supporting of spacing bolt and spring, behind the fixed engine casing of device, can be connected nut and sleeve fixedly, spacing protective tube inserts and to carry on spacingly to the sleeve in the draw-in groove simultaneously, promote the bulk joint intensity of fastener, the difficult activity of junction, the probability of smooth silk has been reduced, spacing protective tube can overlap in the outside of screw rod simultaneously, can protect the screw rod, promote the intensity of screw rod, reduce the vibration and cause the cracked condition of screw rod, the life of device has been promoted.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a front cross-sectional view of the sleeve of the present invention;

FIG. 3 is a front cross-sectional view of the button block of the present invention;

FIG. 4 is a side view of the present invention;

fig. 5 is a side cross-sectional view of the present invention.

In the figure: 1. a sleeve; 2. a card slot; 3. a button block; 4. limiting a protective tube; 5. a bearing; 6. a nut; 7. a limiting groove; 8. a limit bolt; 9. a screw; 10. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a long-life fastener for engine, including sleeve 1 and button piece 3, the intermediate position department of sleeve 1 one side is provided with bearing 5, be convenient for rotate nut 6, the inboard cover of bearing 5 is equipped with nut 6, sleeve 1's inboard slip is pegged graft and is had spacing protective tube 4, can protect screw rod 9, the top and the bottom cover of sleeve 1 one side are equipped with spacing bolt 8, the top and the bottom of nut 6 one side are provided with the spacing groove 7 of mutually supporting with spacing bolt 8, the intermediate position department of button piece 3 one side is provided with the screw rod 9 with 6 screw thread adaptations of nut, the outside that button piece 3 one side is close to screw rod 9 is provided with draw-in groove 2 of mutually supporting with spacing protective tube 4, the outside of spacing protective tube 4 one side is provided with spring 10.

Furthermore, the side of the sleeve 1 close to the button block 3 is provided with a gasket, so that the fixing tightness is improved.

Further, draw-in groove 2 and spacing protective tube 4 are all made by returning the shape structure, and the inboard aperture of spacing protective tube 4 is greater than the diameter of screw rod 9, and spacing protective tube 4 block can carry out spacingly to button piece 3 in draw-in groove 2.

Furthermore, a hexagonal groove is formed in the middle of one side, away from the screw rod 9, of the button block 3, and the nut 6 is made of a hexagonal structure, so that the nut is convenient to lock and rotate when being disassembled.

Furthermore, one side of the limiting bolt 8 is provided with a knob, so that the operation is convenient.

Further, one side of the spring 10 is connected with the sleeve 1, and the spring 10 can push the limiting protection tube 4 to be clamped in the clamping groove 2 for limiting.

The working principle is as follows: when the device is used, firstly, the limiting protection tube 4 penetrates through a fixed hole of an engine shell to enable one surface of the sleeve 1 to be attached to the engine shell, then the screw 9 is aligned to the limiting protection tube 4 to be inserted into the sleeve 1, the screw 9 can be limited through the limiting protection tube 4 to be rapidly aligned to the nut 6, meanwhile, the limiting protection tube 4 can be inserted into the clamping groove 2 to be clamped, the button block 3 is limited, after the button block is inserted, the button block 3 can be rotated to screw the screw 9 into the nut 6 through connection of the bearing 5 and the nut 6 to lock the engine shell, when the button block 3 is continuously close to the sleeve 1, the limiting protection tube 4 can be pushed to slide towards the inner side of the sleeve 1, the spring 10 is extruded, the limiting protection tube 4 is always limited in the clamping groove 2 through elastic clamping restoring force of the spring 10, meanwhile, the limiting protection tube 4 is sleeved on the outer side of the screw 9 to protect the screw 9, after the fixing, the limiting bolt 8 is selected into the limiting groove 7 to be locked, so that the nut 6 is fixed with the sleeve 1, and the vibration generated by the engine is prevented from moving.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that the terms "connected" and "connected" are to be interpreted broadly, e.g., as either a fixed connection or a removable connection, unless expressly stated or limited otherwise; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. A long-life fastener for an engine, comprising a sleeve (1) and a button block (3), characterized in that: the middle position department of sleeve (1) one side is provided with bearing (5), the inboard cover of bearing (5) is equipped with nut (6), the inboard slip of sleeve (1) is pegged graft and is had spacing protective tube (4), the top and the bottom cover of sleeve (1) one side are equipped with stop bolt (8), the top and the bottom of nut (6) one side are provided with spacing groove (7) of mutually supporting with stop bolt (8), the middle position department of button piece (3) one side is provided with screw rod (9) with nut (6) screw thread adaptation, the outside that button piece (3) one side is close to screw rod (9) is provided with draw-in groove (2) of mutually supporting with spacing protective tube (4), the outside of spacing protective tube (4) one side is provided with spring (10).

2. The long life engine fastener as claimed in claim 1, wherein: and gaskets are arranged on the side, close to each other, of the sleeve (1) and the button block (3).

3. The long life engine fastener as claimed in claim 1, wherein: the clamping groove (2) and the limiting protection pipe (4) are both made of a clip structure, and the inner side aperture of the limiting protection pipe (4) is larger than the diameter of the screw (9).

4. The long life engine fastener as claimed in claim 1, wherein: the middle position of one side of the button block (3) far away from the screw rod (9) is provided with a hexagonal groove, and the screw cap (6) is made of a hexagonal structure.

5. The long life engine fastener as claimed in claim 1, wherein: and a knob is arranged on one side of the limiting bolt (8).

6. The long life engine fastener as claimed in claim 1, wherein: one side of the spring (10) is connected with the sleeve (1).